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package assisisw.smartcal.webuisubsystem.servlet;

import assisisw.smartcal.securitysubsystem.ActivationException;
import assisisw.smartcal.securitysubsystem.EMailVerifier;
import assisisw.smartcal.securitysubsystem.IMailVerifier;
import java.io.IOException;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Francesco
 */
@WebServlet ( value = "/tokenverifier" )
public class TokenVerifierServlet extends HttpServlet 
{

    // Instance Fields
    
    /***/
    @EJB
    private IMailVerifier mailVerifier ;
    
    // Instance Methods
    
    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest ( HttpServletRequest request, HttpServletResponse response )
            throws ServletException, IOException 
    {
        String mail ;
        String token ;
        RequestDispatcher disp;
        mail = request.getParameter ( "mail" ) ;
        token = request.getParameter ( "token" ) ;
        request.setAttribute ( "mail", mail ) ;
        try 
        {
            mailVerifier.verifyTokenAndActivate ( mail, token ) ;
            disp = request.getRequestDispatcher ( "faces/index.xhtml" ) ;
        } 
        catch (ActivationException ex) 
        {
            disp = request.getRequestDispatcher ( "faces/unknownerror.xhtml" ) ;
        }
        disp.forward ( request , response ) ;
    }

    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet ( HttpServletRequest request, HttpServletResponse response )
            throws ServletException, IOException 
    {
        processRequest ( request , response ) ;
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost ( HttpServletRequest request , HttpServletResponse response )
            throws ServletException, IOException 
    {
        processRequest ( request , response ) ;
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo () 
    {
        return "Short description";
    }

}
